Sealed Connectors | McMaster-Carr

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4,275 Products

Most Likely Products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

200 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

921 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

63 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

506 products

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

16 products

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

55 products

Han Connectors

Stackable plugs and sockets to make Han connections

2 products

Metric Circular Cords

Send power and signal to equipment with metric connections

542 products

All Results

Electrical

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

200 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

506 products

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

16 products

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

55 products

Han Connectors

Stackable plugs and sockets to make Han connections

2 products

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

8 products

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

6 products

Mini Connectors

Plugs, sockets, and receptacles send power and signal to equipment and automated systems

69 products

D-Sub Connectors

Plugs, sockets, and receptacles for connecting computers, monitors, and printers

16 products

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

14 products

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

97 products

Molex Plug and Socket Sets

Come with wire leads installed for quick additions to existing Molex systems

26 products

HDMI Adapters

Convert one HDMI size or style to another

1 product

Wire Splices, Connectors, and Taps

Join wire and protect the connection

63 products

Metric Circular Cords

Send power and signal to equipment with metric connections

542 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

47 products

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

1 product

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

7 products

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

5 products

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

22 products

Terminals

Attach wire endings everywhere from circuit breaker panels to batteries

164 products

Power Cords

Connect equipment and devices to a power source

30 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

59 products

Ethernet Cords

Send data between computers, printers, servers, and switches

162 products

Profibus Cords

Transmit data in automation systems and other networks

2 products

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

2 products

Mini Cords

Often used to send power and signal to automated systems, motors, and pumps

207 products

USB Cords

Transfer data between computers, printers, and mobile devices

11 products

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

5 products

Extension Cords

Extend the reach of power from an outlet

330 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

921 products

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

273 products

Conduit-to-Conduit Connectors

Join pieces of conduit

59 products

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

9 products

Conduit Bodies

Access wiring to pull, splice, or redirect it

24 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

38 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

7 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

20 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

3 products

Fluid Handling

Thermocouple and RTD Connection Heads

Seal out dust and moisture and allow access to thermocouple and RTD sensor connections

7 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

6 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

100 products